International Comfort Products 1191551 Dual Pressure Switch

The International Comfort Products 1191551 Dual Pressure Switch is a safety device for use in furnaces and air conditioners in HVAC systems. They track absolute pressures as well as differential pressures in the system so that they can always remain within a safely limit. If the pressure rises or falls, the switch turns off the system to prevent damages on the critical parts. This dual capability saves time, ensures safety, and lengthens the life of HVAC equipment because pressure imbalances lead to expensive repairs.